Obd Mary

A powerful OBD2 car diagnostic scanner, DTC code reader, and customizable dashboard. Your ultimate ELM327 trip computer.

Obd Mary is a comprehensive EOBD/OBD-2 car diagnostic tool, gauge dashboard, and trip computer packed with powerful features.

Our OBD2 Car Scanner, OBD Mary, not only reads and clears standard OBD-2 trouble codes but also performs diagnostics on various vehicle ECUs, including ABS, SRS, Airbag, HVAC, and more.

OBD Mary works with a vast range of vehicle brands, including: Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall, Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, , Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi, Nissan, Opel, Peugeot, Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo

Important Notice!

1. An ELM327 Bluetooth or Wi-Fi adapter is required to connect your vehicle to this application.

2. Your vehicle may have multiple ECUs (electronic control modules). Remember to check all available modules for a complete diagnostic.

3. ELM adapters version 2.1 can sometimes have issues; if possible, choosing a version 1.5 adapter is recommended.

Quick Start Guide

1. Download the app.

2. Plug your ELM327 adapter into your vehicle's 16-pin diagnostic port (OBD2 connector).

3. Turn the ignition ON.

4. Discover your Bluetooth ELM adapter in your Android device's settings.

5. Select the discovered ELM327 adapter within the app's settings.

6. Initiate the connection!

Diagnostics

Read and reset trouble codes from OBD2-compliant control units. View detailed fault code descriptions and search online with a single tap. Access freeze-frame data for active DTCs and monitor live parameters like speed, RPM, MAF, and coolant temperature.

Dashboard

Transform your device into a digital gauge dashboard. Build your own custom gauge layout, personalizing nearly every element—sizes, colors, text, labels, backgrounds, and more. In edit mode, simply drag and resize gauges to your preferred arrangement. Design a dashboard that matches your style!

Trip Computer

Track your journeys with the Obd Mary app and your ELM327 adapter. Keep the adapter connected, and the app will automatically log key trip data such as:

- Trip duration;

- Fuel consumption;

- Fuel cost;

- Average speed;

- Maximum speed, and more.

Full Version

Unlock the full potential of Obd Mary with the premium version. Enjoy all features without advertisements, and support our ongoing development and maintenance. Thank you.

Contact the Developer: Feel free to reach out using the contact button on the main app screen. Please use the email channel.

What's New in the Latest Version 1.251

Last updated on Nov 10, 2024

Added new gauge templates to the Dashboard.
Expanded the list of available OBD-2 parameters.
Fixed various bugs and improved stability.

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